package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品和对应口味
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result saveWithFlavor(@RequestBody DishDTO dishDTO) {

        log.info("新增菜品：{}", dishDTO);

        String key = "dish:" + dishDTO.getCategoryId();
        cleanCache(key);

        dishService.saveWithFlavor(dishDTO);
        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> pageQuery(DishPageQueryDTO dishPageQueryDTO) {

        log.info("菜品分页查询：{}", dishPageQueryDTO);

        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 菜品批量删除
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    //前端传过来的是“1,2,3”这样的字符串，需要springMVC解析放进list集合中就要加 @RequestParam 注解
    public Result deleteBatch(@RequestParam List<Long> ids) {

        log.info("菜品批量删除：{}", ids);

        cleanCache("dish_*");

        dishService.deleteBatch(ids);
        return Result.success();
    }

    /**
     * 根据id查询菜品
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {

        log.info("根据id查询菜品：{}", id);

        //同时要查询出菜品的口味数据
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 菜品修改
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("菜品修改")
    public Result update(@RequestBody DishDTO dishDTO) {

        log.info("菜品修改：{}", dishDTO);

        cleanCache("dish_*");

        dishService.update(dishDTO);
        return Result.success();
    }

    /**
     * 根据分类Id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类Id查询菜品")
    public Result<List<Dish>> list(Long categoryId) {

        log.info("根据分类Id查询菜品{}", categoryId);

        List<Dish> dishes = dishService.list(categoryId);
        return Result.success(dishes);
    }

    /**
     * 启用禁用菜品
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("启用禁用菜品")
    public Result startOrStop(@PathVariable Integer status, Long id) {

        log.info("启用禁用菜品");

        cleanCache("dish_*");

        dishService.startOrStop(status,id);
        return Result.success();
    }

    //清理缓存数据
    private void cleanCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
